[rescue] fastest Ultra 5 marketed by Sun?

James Hartley jjhartley at gmail.com
Sat Jul 21 10:27:18 CDT 2007

On 7/21/07, Lord Doomicus <lorddoomicus at mac.com> wrote:
> On Jul 21, 2007, at 8:58 AM, Michael-John Turner wrote:
> > I think the U5 only officially supported up to 400Mhz CPUs, but
> > there's no problem using the 440Mhz models (which were only
> > officially supported in U10s). The main issue would just be
> > cooling - as I'm sure you know, the U5 and U10 use exactly the
> > same mainboard.
> My Ultra5 actually has the 440Mhz CPU and 1 Gig of ram in it.  To get
> the Gig of ram to fit, I did have to pull out the floppy drive.
> You do need to make sure you have the latest firmware updates on the
> Ultra5 or it may not work.

Thank you both for your responses.  From what I have found, 3.31 was
the last flash update released:


Does this match your findings?

Thanks again.

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